Patents by Inventor Kazuki Someya

Kazuki Someya has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Zoom lens and image pickup apparatus
    Patent number: 11703669
    Abstract: A zoom lens includes, in order from an object side to an image side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens unit having a positive refractive power, and one or more rear lens units. The first lens unit does not move for zooming. An interval between each pair of adjacent lens units changes in zooming. The first lens unit includes a positive lens made of material with an Abbe number less than 30. A predetermined condition is satisfied.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: July 18, 2023
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Kenta Sudo, Kazuki Someya
  • ZOOM LENS AND IMAGE PICKUP APPARATUS
    Publication number: 20220244496
    Abstract: A zoom lens includes, in order from an object side to an image side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, and a subsequent unit. The first lens unit is configured not to move for zooming. A distance between each pair of adjacent lens units changes in zooming. A predetermined condition is satisfied.
    Type: Application
    Filed: December 10, 2021
    Publication date: August 4, 2022
    Inventors: Hirofumi Abe, Kazuki Someya, Kenta Sudo
  • ZOOM LENS AND IMAGE PICKUP APPARATUS
    Publication number: 20210199937
    Abstract: A zoom lens includes, in order from an object side to an image side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens unit having a positive refractive power, and one or more rear lens units. The first lens unit does not move for zooming. An interval between each pair of adjacent lens units changes in zooming. The first lens unit includes a positive lens made of material with an Abbe number less than 30. A predetermined condition is satisfied.
    Type: Application
    Filed: December 18, 2020
    Publication date: July 1, 2021
    Inventors: Kenta Sudo, Kazuki Someya